Locking means for floor armor



June 22, w BATES ETAL LOCKING MEANS FOR FLOOR ARMOR 7 Filed Nov. 10, 1944 45 25 INVENTORS. v v v Walle r gfiaie BY WaZierflfiaici Patented June 22, 1948 UNI TED PATENT 'LGGKJNG FOBLELQQRARMOR 'Walter A; Bates andWalter' A.'Bates,'1Jr.,' 'Joliet, "111., assign'ors'to Beulah2H.Bates;..Joliet,Tll;

Application ;May :14), 1944;:Serial N 0. 534 864 Cl. B l- 3 B CIaimS. l

The present invention r-relates to improvement floor :armor.

In the making of concrete floors, particularly those subjected to :relatively heavy duty, 'it -.is usual practice :to provide metallic armoring means, commonly consisting of bars: mounted on edge :and held: in upright positiomby connecting means. The armor is laid upon affioundation and the concrete is poured into the :spaces between the bars andaround thcz-cbnnectingmea'ns, the topf the concrete being 31in approximate coplanar relationship with the topslof the metal bars.

Floor armor is commonly supplied :by'the :manufacturer in units having"predetermined dimensions and is assembled on the job.

Floor armor as heretofore provided leaves much to be desired for the-reason that when the concrete is poured it isdivided'into relatively small units which are likely to break-away rust and undesired expansion. Other .aobiiect'ions to fioor armor as heretofore commonly .provided reside in the -relative diilicul-ty lot I conheating the units-intoan assembly ontheij'ob.

A further object is-to providessimple 'la'n defiective means for connecting together units of floor armor. I

A further object is toprovide floor armor-docking means welt-adapted to meet theneeds of commercial service. I

Further objects will appear as the description proceeds.

Referring to the drawings Figure 1 is a fragmentary plan view illustrating a portion of a unit of floor armor;

Figure 2 is a side view of the construction of Figure 1, Figure 2 being taken along the plane indicated by the arrows 22 of Figure 1;

Figure 3 is a sectional view taken along the plane indicated by the arrows 3--3 of Figure 1;

Figure 4 is a fragmentary view illustrating the manner in which two neighboring armor units embodying the principles of the present invention are connected together along one axis;

Figure 5 is a sectional view taken along the plane indicated by the arrows 5-5 of Figure Figure 6 is a fragmentary plan view illustrating how two neighboring armor units are J2 connectedtogether-lalong:an axis at right angles to thet-axis illustrated.in Figure 4.;

Figure '7--is, a-=:sectional view-..taken along .the plane indicated by the .arrows"fll .of Figure l6;

yFig ure 8ris a perspective view of a locking (member as-psed-in the construction illustrated in Figures 4 and 5 and Figure .9 .isa perspective view .of aflocking member. .as used in the construction illustrated inFig-ures r6 land 7..

:Reierringfirst to Figuresl to ,3,laifloorarmor :unit :isfillustrated swedged up out .of sheet material-to provide. .a plurality of vertically disposed portions indicated by the numerals 313- 33, connected .bymeans of the .cross'bars 25a and 25b to ,.provide..a plurality of openings of. generally octagonal contour. lSaidl'floor armor unit is also provided with: the cantilever .cross bars 26.

The particularlfloor .armor' unit illustrated and described presents transverseside edgesinterruptedly'defined-hy the correspondingcross bars 2'5a .2'5a'.(Eigu-re =1) The'longitudinal s'ideedges of reach. armor unit are 'interrup'tedly defined by the ends of 'the'cantilever cross bars.'2'6".2fi.

"The loci of the. outer side edges of the'cross .bars fiat- 25a, and the ends of-thev cantilever .cross-bars26''2t willlae the sides of a'rectangle.

According to the present mventioni a plurality of armor -11.111115 as above described belocated side by side and end toend, andwill be lielcl together by vclipsor locking devices to; form an assembly, "Iiongitudinal sidee'dges defined by the ends of "the cantilever crossbars "ZIP-25' will, according to the presentinvention; be"he'ld""to- "gether by"means1of :aclippr locking member such as'illustrated in Figures '4; '5 and 8. Armor units will be secured to neighboring armor units along transverse lines defined by the outer edges of the cross bars 25a25a by clips such as illustrated in Figures 6, 7 and 9.

Referring now to Figures 4, 5 and 8, a locking member 34 is illustrated which is a sheet metal member having a transverse portion 35 provided with hooks 3636 at its two extremities. Said locking member 35 also has the transversely extending portion 37 having the hooks 38-38 at its extremities. Said transversely extending portions 35 and 3'! are connected by the slanting portion 39. Extending downwardly from the .transversely extending portion 31 is the foot portion 45. As illustrated in Figures 4 and 5, the locking member 34 is so disposed relative to adjacent longitudinal edge portions of adjacent armor units that the transversely extending portion 35 is located above corresponding cross bars 25a-25a, and the transversely extending portion 35 is located below adjacent cantilever cross bars 26-26. The foot 40 rests upon the foundation upon which the armor units are located and serves to hold the transversely extending portion 31 up adjacent to the corresponding cantilever cross bars 26-26. The hooks 36-36 and 38-38 prevent adjacent armor units from spreading away from each other.

Figures 6, 7 and 9 illustrate locking means for securing neighboring armor units together along the transversely extending side edges thereof. As shown in Figure 9, the locking member, which is indicated as a whole by the numeral 41, is provided with the elongated portion 42, which has extending from each extremity thereof a pair of arms 43-43, each having a hook 44 at its extremity. The portion 42 as shown in Figures 6 and 7 will be located above the adjacent side edge cross bars 25a-25a of neighboring armor units, and the arms 43-43 will'be disposed underneath the cross bars 25b-25blocated inwardly of said side edge cross bars 25-25, the hooks 44-44 being hooked over said last mentioned cross bars. For this purpose the arms 43-43 will slant downwardly slightly from the Plane of the portion 42 of each locking member 4|.

The floor armor according to the present invention has the advantage that each unit thereof may be readily swedged from sheet material. Neighboring units may be simply and efiiciently connected together to form an assembly, and said assembly may be poured with concrete without the formation of such small units of concrete that they tend to break easily in service. According'to the present invention the runs of concrete will be continuous, whereby the concrete is highly resistant to breakage. No extended fiatwise engagement between members of any armoring unit or neighboring unit is had, and accordingly the difficulties due to crevices or cracks are avoided. The relatively small flatwise engagement between the clips or looking members 34 and llwith the armoring units is inconsequential.

Though a preferred embodiment of the present invention has been described in detail, many modifications will occur to those skilled in the art. It is intended to cover all such modifications that fall within the scope of the appended claims.

What is claimed is:

1. Locking means for adjacent armor units which armor units have edge cross bars disposed along side edges thereof, and other cross bars located parallel with said first mentioned cross bars and disposed inwardly thereof, which locking means includes a portion adapted to overlie adjacent edge side bars of neighboring units, said portion at each of its extremities being provided with a pair of laterally extending arms, each of said arms having a hook at its extremity adapted to be hooked over said other cross bars.

2. A locking member for securing together adjacent armor units, which adjacent armor units have cantilever cross bars at their adjacent edges and other cross bars disposed inwardly of said cantilever cross bars, said locking member comprising a sheet metal member having a portion having hooks at its ends adapted to overlie said other cross bars and a portion adapted to underlie cantilever cross bars of adjacent units, said last mentioned portion also having hooks at its ends, each of said portions being adapted to engage said units, each of said portions, including its hooks, being flat.

3. A locking member for securing together adjacent armor units, which adjacent armor units have cantilever cross bars at their adjacent edges and other cross bars disposed inwardly of said cantilever cross bars, said locking member comprising a sheet metal member having a portion having hooks at its ends adapted to overlie said other cross bars and a portion adapted to underlie cantilever cross bars of adjacent units,

said last mentioned portion also having hooks at its ends, each of said portions being adapted to engage said units, each of said portions, including its hooks, being flat, said portion underlying said cantilever cross bars having a foot for holding it in adjacency with said cantilever cross bars.

WALTER A. BATES. WALTER A. BATES, JR.

REFERENCES CITED The following references are of record in the file of this patent:

UNITED STATES PATENTS Number Name Date 854,927 Clark May 28, 1907 882,491 Clark Mar. 17, 1908 1,103,034 Clark July 14, 1914 1,707,533 Nagin Apr. 2, 1929 1,983,412 Smith Dec. 4, 1934 2,102,302 Arnold Dec. 14, 1937 2,282,519 Holmes May 12, 1942 FOREIGN PATENTS Number Country Date 23,074 Great Britain 1895 490,121 Germany Jan. 24, 1930 

